Based on data from 262 vehicles, 29,224 fuel-ups and 7,899,576 miles of driving, the 2018 Mazda 3 gets a combined Avg MPG of 29.93 with a 0.06 MPG margin of error.

Any Engine Type 2.0L L4 GAS (74) 2.5L L4 GAS (181) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (36) Hatchback (76) Any Submodel SE (1) s Grand Touring (2) S (5) GX (5) I Touring (5) GT (10) G (10) GS (11) Sport (38) Grand Touring (79) Touring (94) Other (2)

Below you can see a distribution of the fuel-ups with 493 outliers (1.66%) removed.

Following shows the average MPG of each of the 262 vehicles in the system.

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• 2018 Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added May 2018 • 232 Fuel-ups

  Property of ayeshamus

• 27.1 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2020 • 62 Fuel-ups

  Property of daagui1

• 33.7 Avg MPG

• Mazda

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Oct 2018 • 155 Fuel-ups

  Property of elenio

• 28.5 Avg MPG

• Mazda

  2018 Mazda 3 S 2.5L L4 GAS Manual 6 Speed
  Added Jan 2025 • 3 Fuel-ups

  Property of andresgg

• 34.0 Avg MPG

• Ed’s Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 458 Fuel-ups

  Property of iyoulow

• 29.3 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added Jun 2018 • 437 Fuel-ups

  Property of ZoomZoomPH

• 32.2 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2021 • 336 Fuel-ups

  Property of ThePres

• 31.0 Avg MPG

• My 3

  2018 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Feb 2019 • 541 Fuel-ups

  Property of ChadM3

• 35.6 Avg MPG

• mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2025 • 7 Fuel-ups

  Property of trumpetstu

• 28.6 Avg MPG

• Blue Bullet

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2019 • 70 Fuel-ups

  Property of Golfman24

• 37.8 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2019 • 338 Fuel-ups

  Property of fh-pear

• 31.2 Avg MPG

• Jon

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Dec 2018 • 451 Fuel-ups

  Property of jonny772

• 29.7 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 154 Fuel-ups

  Property of mses0804

• 26.7 Avg MPG

• Brown bae

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 296 Fuel-ups

  Property of lc7926

• 28.6 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2018 • 398 Fuel-ups

  Property of ajd326

• 30.2 Avg MPG

• Hatsune

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 272 Fuel-ups

  Property of NurseDiesel

• 33.4 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 184 Fuel-ups

  Property of retardis

• 21.2 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Aug 2022 • 71 Fuel-ups

  Property of robrz350

• 31.0 Avg MPG

• Mazda 3 '18

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 275 Fuel-ups

  Property of Pnboo

• 31.0 Avg MPG

• Maz3 LK

  2018 Mazda 3 I Touring 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2023 • 59 Fuel-ups

  Property of jazzman27

• 30.3 Avg MPG

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